JSW Pacific RFB01 Users manual
FJK_RF_7121_A
Wireless Digital Transceiver RFB01
JSW
A72121 17 dBm module specification
Data Sheet
MD7121-F07(-05)
CUSTOMER____________________
PRODUCT :2.4GHz Wireless digital
MODEL NO. RFB01
DATE: 2011-7-15
Transceiver Module
FJK_RF_7121_A
Wireless Digital Transceiver RFB01
Rev. NO. History Issue Date Remark
0.0
0.1
0.2
0.3
Table of Contents
1. General Description ………………………………………… 3
2. Electrical specfication ……………………………………… 3
3. Interface ……………………………………………………… 4
4. PA&LNA control state ………………………………………… 4
5. Application circuit …………………………………………… 5
6. Timing contril for passing CE/FCC ………………………… 6
FJK_RF_7121_A
Wireless Digital Transceiver RFB01
1. General Description
The MD7121 module is designed for 2.4GHZ ISM band with 17dBm output power wireless
applications using AMICCOM’s A7121 FSK/GFSK transceiver and A7700 RF Front End IC, This
module features a fully programmable frequency synthesizer by SPI, The data rata is 1Mbps and
3Mbps.
2. Electrical speification
Item Specification Remark
Supply voltage 3.3V+/-0.1(V)
Current consumption
Frequency 2414.25~2461.5MHZ ISM band
Tranmit output power 17dBm@Maximum Power Setting*1 typical
Rx sensitivity
Modulation FSK and GFSK
Interface 20 pin1.27mm header
PCB Dimension 29(L)*29(W)*0.8(H)mm3without antenna
Operating temperature 0~50℃
15uA@Sleep mode
(Sleep current includes power consumption of LDO)
1.5mA@Stand-by mode
11Ma@Synthesizer Mode
130mA@Tx power =17dBm
36Ma@ Rx mode
-93dBm(typical)@1M mode,Dev=250KHZ
-88dBm(typical)@3M mode,Dev=750KHZ
typical
BER≤1E-3,FSK
3. Interface
Pin NO. Pin name Comment Note
1 SPI_CS SPI chip select
2 SPI_CLK SPI clock
3 SPI_RXD SPI data input
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